Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:08:55 2013

Optimize a model with 76647 rows, 75777 columns and 302847 nonzeros
Presolve removed 2593 rows and 0 columns
Presolve time: 0.51s
Presolved: 74054 rows, 75777 columns, 297661 nonzeros
Variable types: 75690 continuous, 87 integer (87 binary)

Root relaxation: objective 1.025274e+05, 17385 iterations, 4.42 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 102527.418    0    4          - 102527.418     -      -    5s
H    0     0                    107414.00000 102527.418  4.55%     -    5s
     0     0 102534.775    0    6 107414.000 102534.775  4.54%     -    6s
     0     0 102534.992    0    6 107414.000 102534.992  4.54%     -    6s
H    0     0                    106156.57188 102534.992  3.41%     -    9s
H    0     0                    106064.68078 102534.992  3.33%     -    9s
H    0     0                    104908.32099 102534.992  2.26%     -    9s
H    0     0                    104219.00000 102534.992  1.62%     -   10s
     0     2 102540.039    0    6 104219.000 102540.039  1.61%     -   11s
H    6     6                    103761.76683 102625.658  1.09%   186   13s
H   12    11                    103129.00000 102625.658  0.49%   233   14s
H   15     8                    103072.46154 102625.658  0.43%   208   14s
*   16     6              12    103039.00000 102625.658  0.40%   199   14s
    19     5 102746.500    2    1 103039.000 102628.652  0.40%   189   15s
*   25     7               7    103021.00000 102628.652  0.38%   186   15s

Cutting planes:
  Gomory: 2
  Flow cover: 8

Explored 53 nodes (25084 simplex iterations) in 17.59 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.030210000000e+05, best bound 1.030210000000e+05, gap 0.0%